1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef BASE_NOTIFICATION_DISTRIBUTED_NOTIFICATION_SERVICE_SERVICES_ANS_INCLUDE_SYSTEM_EVENT_SUBSCRIBER_H
17 #define BASE_NOTIFICATION_DISTRIBUTED_NOTIFICATION_SERVICE_SERVICES_ANS_INCLUDE_SYSTEM_EVENT_SUBSCRIBER_H
18 
19 #include <functional>
20 
21 #include "common_event_subscriber.h"
22 
23 namespace OHOS {
24 namespace Notification {
25 class SystemEventSubscriber : public EventFwk::CommonEventSubscriber {
26 public:
27     /**
28      * @brief The constructor.
29      *
30      * @param subscribeInfo Indicates the EventFwk::CommonEventSubscribeInfo object.
31      * @param callback Indicates the callback.
32      */
SystemEventSubscriber(const EventFwk::CommonEventSubscribeInfo & subscribeInfo,const std::function<void (const EventFwk::CommonEventData &)> & callback)33     SystemEventSubscriber(const EventFwk::CommonEventSubscribeInfo &subscribeInfo,
34         const std::function<void(const EventFwk::CommonEventData &)> &callback)
35         : EventFwk::CommonEventSubscriber(subscribeInfo), callback_(callback)
36     {}
37 
38     /**
39      * @brief The deconstructor.
40      */
~SystemEventSubscriber()41     ~SystemEventSubscriber()
42     {}
43 
44     /**
45      * @brief Obtains the death event. Inherited from EventFwk::CommonEventSubscriber.
46      *
47      * @param data Indicates the EventFwk::CommonEventData object.
48      */
OnReceiveEvent(const EventFwk::CommonEventData & data)49     void OnReceiveEvent(const EventFwk::CommonEventData &data) override
50     {
51         if (callback_ != nullptr) {
52             callback_(data);
53         }
54     }
55 
56 private:
57     std::function<void(const EventFwk::CommonEventData &)> callback_;
58 };
59 }  // namespace Notification
60 }  // namespace OHOS
61 
62 #endif  // BASE_NOTIFICATION_DISTRIBUTED_NOTIFICATION_SERVICE_SERVICES_ANS_INCLUDE_SYSTEM_EVENT_SUBSCRIBER_H